Home / 16,938.32-25,403.38-7,072.24

Finding the Fourth Proportional to 16,938.32, 25,403.38 and 7,072.24

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Solution

The fourth proportional to 16,938.32, 25,403.38 and 7,072.24 is: 10,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.32 : 25,403.38 = 7,072.24 : x
  2. Step 2: Convert to fraction form
    16,938.32/25,403.38 = 7,072.24/x
  3. Step 3: Cross multiply
    16,938.32x = 25,403.38 × 7,072.24
  4. Step 4: Simplify right side
    16,938.32x = 179,658,800.17
  5. Step 5: Solve for x
    x = 179,658,800.17/16,938.32
  6. Step 6: Final answer
    x = 10,606.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.